Finding the Fourth Proportional to 1,491,413.28, 2,232,950.84 and 805,843.88
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Solution
The fourth proportional to 1,491,413.28, 2,232,950.84 and 805,843.88 is: 1,206,513.17
Step by Step Solution
- Step 1: Write the proportion equation
1,491,413.28 : 2,232,950.84 = 805,843.88 : x - Step 2: Convert to fraction form
1,491,413.28/2,232,950.84 = 805,843.88/x - Step 3: Cross multiply
1,491,413.28x = 2,232,950.84 × 805,843.88 - Step 4: Simplify right side
1,491,413.28x = 1,799,409,768,754.86 - Step 5: Solve for x
x = 1,799,409,768,754.86/1,491,413.28 - Step 6: Final answer
x = 1,206,513.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.